The MOE SL Hand Guard for AR15/M4 firearms with carbine-length gas system and A2 font sight* provides modular flexibility with M-LOK accessory slots in a lightweight, sleek, cost effective design. Designed with versatility in mind, M-LOK slots at the two, six, and ten o'clock positions allow the attachment of optional Picatinny rail sections and other direct-attach M-LOK accessories for the mounting of tactical lights, slings, grips, etc. Reinforced, heat-resistant polymer construction provides operational durability without the weight and expense of an aluminum rail hand guard. Large front extensions and lower lip provides additional operator protection from hot front sight assembly. Made in U.S.A.